ROYAL CANIN® Boxer Puppy dry food is suitable for puppies up to 15 months old, specially formulated with all your young boxer's nutritional needs in mind.It contains antioxidants, including vitamin E, to help boost your puppy's immune system while it's still developing. It also contains a combination of nutrients that help promote good gut health and a good balance of intestinal flora. The Boxer breed has a short jaw and may find it difficult to pick up and chew pieces of food. Therefore, this dry food is designed and adapted to the shape of the puppy's jaw to make it easier to pick up the pieces, as well as to stimulate the puppy to chew. Facts about Royal Canin Boxer Puppy:Complete food for puppies of the Boxer breed.Contains antioxidants to support the immune system.The food pieces are specially tailored for the breed.Helps to support the development of muscle mass.